Biography

Prof. Qinglin Roger Yu

Department of Math. and Stat.

Thompson Rivers University, Canada

Professor


Email: yu@tru.ca


Qualifications

1991 Ph.D., Department of Mathematics and Statistics, Canada

1985 M.Sc., Department of Mathematics, Shandong University, China

1982 B.Sc., Department of Mathematics, Shandong University, China


Publications (Selected)

  1. R. Xu and Q. L. Yu, Note on toughness and (k, r)-factor-critical graphs, Bulletin of the Institute of Combinatorics and its Applications, 20(2000), 85-87.
  2. G. Z. Liu and Q. L. Yu, Generalization of matching extensions in graphs, Discrete Math. 231(2001), 311-320.
  3. Q. L. Yu, A note on extendability and factor-criticality, Annals of Combinatorics 6(2002) 479-481.
  4. R. Xu and Q. L. Yu, An Ore-type condition for the existence of k-factors with prescribed properties, Congressus Numerantium 162(2003), 97-109.
  5. R. Xu and Q. L. Yu, Degree conditions for k-extendable , Congressus Numerantium, 163(2003), 189-195.
  6. D. Lou and Q. L. Yu, Connectivity of k-extendable graphs with large k, Discrete Applied Math. 136(2004), 55-61.
  7. D. Lou and Q. L. Yu, Sufficient conditions for n-critical graphs, Australasian Journal of Combinatorics, 29(2004), 127-133.
  8. P. Wang and Q. L. Yu, On the degree monotonicity of (n; k)-cage, Bulletin of the Institute of Combinatorics and its Applications, 43(2005), 37-42.
  9. M. Kano and Q. L. Yu, Pan-factorial property in regular graphs, The Electronic Journal of Combinatorics, 12(2005), #N23.
  10. L. C. Zuo, Q. L. Yu and J. L. Wu, Tree coloring of distance graph with real interval set, Applied Mathematics Letters, 19(2006) 1341-1344.
  11. G. Z. Liu and Q. L. Yu, On (n, k)-extendable graphs and induced subgraphs, International Mathematical Forum, 2, 23(2007), 1141-1148.
  12. Z. M. Jin, H. F. Yan and Q. L. Yu, Generalization of matching extensions in graphs (II), Discrete Applied Math. 155 (2007) 1267-1274.
  13. Y. H. Ma and Q. L. Yu, Isolated toughness of graphs and the existence of [a, b]-factors, J. of Combinatorial Mathematics and Combinatorial Computing, 62 (2007) 147-157.
  14. Y. J. Wu and Q. L. Yu, On uniform star-factors in graphs of girth three, Australasian Journal of Combinatorics, Vol. 39 (2007), 155-161.
  15. Q. L. Yu and Z. Zhang, Extremal properties of (1, f)-odd factor in graphs, Ars Combinatorics, 84(2007), 161-170.
  16. G. Z. Liu, L. Zhang and Q. L. Yu, Maximum fractional k-factors and connected fractional 1-factors in graphs, Applied Math. Letters, 20(2007) 1237–1243.
  17. G. Z. Liu and Q. L. Yu, Strongly pan-factorial property in cages, Ars Combinatorics, Vol. 87 (2008) 263-269.
  18. B. G. Xu and Q. L. Yu, A note on (3,1)-choosable toroidal graphs, Utilitas Mathematica, 76(2008), 183-189.
  19. Y. H. Duan, H. D. Wu and Q. L. Yu, On graphs determined by chromatic and flow polynomials, Discrete Applied Mathematics, 156(2008) 1300-1309.
  20. T. Wang and Q. L. Yu, Vertex-coloring 13-edge-weighting in graphs, Front. Math. China, 3 (2008), 581-587.
  21. T. Wang and Q. L. Yu, Factor-criticality in 3-dominating-critical graphs, Discrete Math. 309 (2009) 1079-1083.
  22. Y. H. Duan, H. D. Wu and Q. L. Yu, Twist wheel is Tutte-polynomial unique, Discrete Math. 309 (2009) 926–936.
  23. L. C. Zuo, Q. L. Yu and J. L. Wu, Vertex arboricity of integer distance graph G(D_{m,k}), Discrete Math. 309 (2009) 1649-1657.
  24. H. Lu, X. Yang and Q. L. Yu, A note on vertex-coloring edge-weighting of graphs, Front. Math. China, 4 (2009) (2) 325-334.
  25. M. Kano, H. Lu and Q. L. Yu, Component factors with large components in graphs, Applied Math. Letters, 23 (2010) 385-389.
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